*{
    margin: 0px;
    padding: 0px;
    list-style: none;
}
.conmon{
    width: 100vw;
    height: 80vh;
    background: url(../img/1.png)no-repeat 0 0 / 100% 100%;
}
.conmon-a{
    width: 900px;
    height: 60px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}
.conmon-b{
    width: 80px;
    height: 60%;
    background: url(../img/3.png)no-repeat 0 0 / 100% 100%;
    margin-top: 10px;
   
}
 .conmon-c{
     width:400px;
     height:100%;
     display:flex;
     justify-content:space-between;
     line-height:60px;
     font-size: 21px;
     color: #fff;
     margin-right: 50px;
 }
 .conmon-d{
     width: 70px;
     height: 0px;
     background: #247BF0;
     text-align: center;
 }
 .conmon-d:hover{
    width: 70px;
    height: 60px;
    cursor: pointer;
 }
 .conmon-f{
    width: 70px;
    border-bottom: 3px solid #fff;
 }
 .demo{
     width:1200px;
     height: 600px;
     margin: 0 auto;
     position: relative;
 }
 .demo-a{
     width: 450px;
     height: 300px;
     position: absolute;
     top: 150px;
 }
 .demo-b{
     width: 200px;
     height: 60px;
     background: url(../img/4.png)no-repeat 0 0 / 100% 100%;
     margin-left: 90px;
 }
 .demo-c{
     width: 100%;
     height: 70px;
     font-size: 50px;
     color: #fff;
 }
 .demo-d{
    width: 100%;
    height: 70px;
    font-size: 18px;
    color: #fff;
}
.demo-f{
    width: 270px;
    height: 60px;
    background: #fff;
    margin-left: 80px;
    border-radius: 40px;
    line-height: 60px;
    text-align: center;
    font-size: 24px;
    color: rgb(36, 90, 167);
     overflow: hidden;
}
 
.demo-g{
    width: 270px;
    height: 0px;
    background:rgba( 0,0,0,0.2);
    border-radius: 40px;
    line-height: 60px;
    text-align: center;
    font-size: 24px;
    color: rgb(36, 90, 167);
}
 .demo-f:hover .demo-g{
    width: 270px;
    height: 60px;
    transform:translateY(-60px);
    transition: 0.2s;
 }
  .img{
      width:136px;
      height: 229px;
      position: absolute;
      top: 330px;
      right: 450px;
      overflow: hidden;
  }
  .img-a{
    width:136px;
    height: 229px;
    background: url(../img/5.png)no-repeat 0 0 / 100% 100%;
    animation: img-a 0.2s 3s  forwards alternate-reverse ;
    
}
@keyframes img-a{
    from{
        transform: translateX(0)
    }
    to{
        transform: translateX(100px)
    }
}
  .tear{
      width: 100%;
      height: 400px;
      display: flex;
      justify-content:space-between;
  }
  .tear-1{
      width: 33%;
      height: 100%;
  }
  .tear-2{
      width: 20%;
      height: 30%;
      background: url(../img/6.png)no-repeat 0 0 / 100% 100%;
      margin: 0 auto;
      margin-top: 80px;
  }
  .tear-3{
      width: 100%;
      height: 60px;
      text-align: center;
      margin-top: 20px;
      font-size: 26px;
  }
  .tear-4{
      width: 50%;
      height: 60px;
      font-size: 20px;   
       margin: 0 auto;
  }
  .dess{
      width: 100%;
      height: 100%;
  }
  .dess-1{
      width:880px ;
      height: 520px;
      background: url(../img/7.png)no-repeat 0 0 / 100% 100%;
      margin: 0 auto;
      margin-top: 10px;
  }
  .dess-a{
      width: 100%;
      height: 80px;
      text-align: center;
      font-size: 36px;
      margin-top: 40px;
  }
  .dess-b{
      width: 100%;
      height: 30px;
     text-align: center;
     font-size: 18px;
  }
  .dess-c{
    width: 100%;
    height: 80px;
    text-align: center;
    font-size: 36px;
    margin-top: 100px;
     
}
.dess-d{
    width: 100%;
    height: 30px;
   text-align: center;
   font-size: 18px;
}
.dess-2{
    width:780px ;
    height: 520px;
    background: url(../img/8.png)no-repeat 0 0 / 100% 100%;
    margin: 0 auto;
    margin-top: 10px;
}
.dess-f{
    width: 100%;
    height: 80px;
    text-align: center;
    font-size: 36px;
    margin-top: 100px;
     
}
.dess-g{
    width: 100%;
    height: 30px;
   text-align: center;
   font-size: 18px;
}
.dess-3{
    width:950px ;
    height: 580px;
    background: url(../img/9.png)no-repeat 0 0 / 100% 100%;
    margin: 0 auto;
    margin-top: 10px;
}